package books.CoreJavaVolumeII.Chaper1;

import javax.swing.text.html.Option;
import java.util.Optional;
import java.util.stream.Collectors;
import java.util.stream.Stream;

/**
 * @Description
 * @Author bloodcolding
 * @Date 2021/01/24 1:55 PM
 */
public class UseOptional {
    public static void main(String[] args) {
        Stream<Integer> stream = Stream.of(1, 2, 3, 4);
    }
}
